Measurements:
°C
°F
Sanibel Island
76°F
SW 19 mph
Feels like: 80°F
Precip: 7%
World Resorts USA Sanibel Island Weather

7 Day Weather Forecast

10.26
mon
DAY
86°F
SW 22 mph
precip
3%
NIGHT
76°F
SW 19 mph
precip
7%
10.27
tue
DAY
84°F
SW 20 mph
precip
10%
NIGHT
78°F
SW 20 mph
precip
7%
10.28
wed
DAY
86°F
SW 12 mph
precip
19%
NIGHT
78°F
SW 12 mph
precip
11%
10.29
thu
DAY
84°F
W 6 mph
precip
5%
NIGHT
80°F
SW 13 mph
precip
8%
10.30
fri
DAY
86°F
W 6 mph
precip
4%
NIGHT
82°F
W 14 mph
precip
6%
10.31
sat
DAY
84°F
W 7 mph
precip
9%
NIGHT
78°F
W 10 mph
precip
11%
11.01
sun
DAY
84°F
NE 2 mph
precip
24%
NIGHT
78°F
SW 7 mph
precip
24%

Sanibel Island Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Sanibel Island was 27.9°F. The maximum and minimum values were 24.6°F and 29.3°F respectively.

Sanibel Island on the Weather Map

Best Time to Visit Sanibel Island
The most sunny months:
March 19 days
April 18 days
December 17 days
The most warm months:
July 92.6 °F
August 92.6 °F
June 91.2 °F
Warmest sea temperature:
August 91.9 °F
July 91.5 °F
September 90.4 °F
The most cold months:
January 71.3 °F
December 74.5 °F
February 75.1 °F
The most rainy months:
July 5 days
June 5 days
August 4 days
The most windy months:
October 11 mph
November 10 mph
January 10 mph